Operation indicator for automatic flash device

Details Operation indicator for automatic flash device Operation indicator for automatic flash device

1979-05-11

1981-12-15

Hix, L. T.

Electric lamp and discharge devices: systems

With signal, indicator, or alarm

Plural signals, indicators, or alarms

354 33, 354 60L, 315151, 315134, 340660, G03B 716, G08B 706

Patent

active

043061761

ABSTRACT:
An operation indicator for an automatic flashing device comprising a first indication means which visually indicates a reaching to a predetermined voltage of main capacitor and readiness for proper completion of flashing of an automatic light adjusting, and a second indication means which indicates a selected one of them by sound, and a switching means which connects or disconnects said second indication means to the circuit of the device.
By the abovementioned construction, the user can realize readiness of automatic flash operation both by eyesight and by audition.

REFERENCES:
patent: 3778672 (1973-12-01), Fountain
patent: 4100459 (1978-07-01), Nakamura

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